5G network slicing is a network architecture that enables the multiplexing of virtualized and independent logical networks on the same physical network infrastructure.[1][2] Each network slice is an isolated end-to-end network tailored to fulfill diverse requirements requested by a particular application.[3][1]
For this reason, this technology assumes a central role to support 5G mobile networks that are designed to efficiently embrace a plethora of services with very different service level requirements (SLR). The realization of this service-oriented view of the network leverages on the concepts of software-defined networking (SDN) and network function virtualization (NFV) that allow the implementation of flexible and scalable network slices on top of a common network infrastructure.[1][4][5]
From a business model perspective, each network slice is administrated by a mobile virtual network operator (MVNO). The infrastructure provider (the owner of the telecommunication infrastructure) leases its physical resources to the MVNOs that share the underlying physical network. According to the availability of the assigned resources, a MVNO can autonomously deploy multiple network slices that are customized to the various applications provided to its own users.[1][6][7][8]
^ abcdJalalian, Azad; Yousefi, Saleh; Kunz, Thomas (2023-06-01). "Network slicing in virtualized 5G Core with VNF sharing". Journal of Network and Computer Applications. 215: 103631. doi:10.1016/j.jnca.2023.103631. ISSN 1084-8045.
^Rost, P.; Mannweiler, C.; Michalopoulos, D. S.; Sartori, C.; Sciancalepore, V.; Sastry, N.; Holland, O.; Tayade, S.; Han, B. (2017). "Network Slicing to Enable Scalability and Flexibility in 5G Mobile Networks". IEEE Communications Magazine. 55 (5): 72–79. arXiv:1704.02129. Bibcode:2017arXiv170402129R. doi:10.1109/MCOM.2017.1600920. ISSN 0163-6804. S2CID 4082069.
^Foukas, X.; Patounas, G.; Elmokashfi, A.; Marina, M. K. (2017). "Network Slicing in 5G: Survey and Challenges" (PDF). IEEE Communications Magazine. 55 (5): 94–100. doi:10.1109/MCOM.2017.1600951. hdl:20.500.11820/cd5f221d-27ef-4ac3-9120-8292d9e25102. ISSN 0163-6804. S2CID 206456479.
^Yousaf, F. Z.; Bredel, M.; Schaller, S.; Schneider, F. (2018). "NFV and SDN—Key Technology Enablers for 5G Networks". IEEE Journal on Selected Areas in Communications. 35 (11): 2468–2478. arXiv:1806.07316. Bibcode:2018arXiv180607316Z. doi:10.1109/JSAC.2017.2760418. ISSN 0733-8716. S2CID 19639125.
^Ordonez-Lucena, J.; Ameigeiras, P.; Lopez, D.; Ramos-Munoz, J. J.; Lorca, J.; Folgueira, J. (2017). "Network Slicing for 5G with SDN/NFV: Concepts, Architectures, and Challenges". IEEE Communications Magazine. 55 (5): 80–87. arXiv:1703.04676. Bibcode:2017arXiv170304676O. doi:10.1109/MCOM.2017.1600935. hdl:10481/45368. ISSN 0163-6804. S2CID 206456434.
^Zhu, Kun; Hossain, Ekram (2016). "Virtualization of 5G Cellular Networks as a Hierarchical Combinatorial Auction". IEEE Transactions on Mobile Computing. 15 (10): 2640–2654. arXiv:1511.08256. doi:10.1109/tmc.2015.2506578. ISSN 1536-1233. S2CID 2319612.
^Network Slicing - Use Case Requirements. GSMA. April 2018.
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